萘 萘 nai4
naphthalene C10H8

strokes 11
radical
艸
艸
strokes after radical 8
萘醌 萘醌 nai4 kun1
naphthoquinone (chemistry)

萘丸 萘丸 nai4 wan2
mothball; naphthalene ball

普萘洛尔 普萘洛爾 pu3 nai4 luo4 er3
propranolol (beta-blocker used to treat high blood pressure)